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# vi: ts=4 expandtab
#
# Copyright (C) 2009-2010 Canonical Ltd.
#
# Author: Scott Moser <scott.moser@canonical.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3, as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import cloudinit.util as util
import subprocess
import traceback
import os
def handle(name,cfg,cloud,log,args):
idevs=None
idevs_empty=None
if "grub-dpkg" in cfg:
idevs=util.get_cfg_option_str(cfg["grub-dpkg"],
"grub-pc/install_devices",None)
idevs_empty=util.get_cfg_option_str(cfg["grub-dpkg"],
"grub-pc/install_devices_empty",None)
if (( os.path.exists("/dev/sda1") and not os.path.exists("/dev/sda") ) or
( os.path.exists("/dev/xvda1") and not os.path.exists("/dev/xvda") )):
if idevs == None: idevs=""
if idevs_empty == None: idevs_empty="true"
else:
if idevs_empty == None: idevs_empty="false"
if idevs == None:
idevs = "/dev/sda"
for dev in ( "/dev/sda", "/dev/vda", "/dev/sda1", "/dev/vda1"):
if os.path.exists(dev):
idevs = dev
break
# now idevs and idevs_empty are set to determined values
# or, those set by user
dconf_sel = "grub-pc grub-pc/install_devices string %s\n" % idevs + \
"grub-pc grub-pc/install_devices_empty boolean %s\n" % idevs_empty
log.debug("setting grub debconf-set-selections with '%s','%s'" %
(idevs,idevs_empty))
try:
util.subp(('debconf-set-selections'), dconf_sel)
except:
log.error("Failed to run debconf-set-selections for grub-dpkg")
log.debug(traceback.format_exc())
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